v2.4.0.6

INVENTORIES Table (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Schedule of Inventory [Line Items] |  |
Crude oil | $ 270,351 | $ 157,297
Finished products | 493,826 | 421,288
Materials and supplies | 9,831 | 9,200
Total | $ 774,008 | $ 587,785

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